US Bridges

US Rt 1 Ramp C over Nj Rt 29 NB

Good

Mercer County, New Jersey · 300 NE of Del. R. · Structure no. 3300031

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
2 main spans
Daily traffic
1,700
2023 count
Owner
Private
Private (other than railroad)

About this bridge

US Rt 1 Ramp C over Nj Rt 29 NB is a steel stringer/multi-beam or girder carrying US Rt 1 Ramp C over Nj Rt 29 NB in Mercer County, New Jersey. It was built in 2009, so it is 16 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, roughly 5% of them trucks, projected to reach 2,500 by 2043. The structure is 183 ft (55.8 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS Rt 1 Ramp C
CrossesNj Rt 29 NB
Location300 NE of Del. R.
RouteU.S. Route 1
Coordinates40.20983, -74.7661
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span95 ft (29 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,500 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US Rt 1 Ramp C over Nj Rt 29 NB built?

It was built in 2009, making it 16 years old in 2025.

What condition is US Rt 1 Ramp C over Nj Rt 29 NB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does US Rt 1 Ramp C over Nj Rt 29 NB carry?

About 1,700 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US Rt 1 Ramp C over Nj Rt 29 NB?

The structure is 183 ft (55.8 m) long with a longest span of 95 ft (29 m) and a deck 32 ft wide.

Who owns US Rt 1 Ramp C over Nj Rt 29 NB?

It is owned by the Private (other than railroad).